22650705 has 64 divisors (see below), whose sum is σ = 50227200. Its totient is φ = 9408960.

The previous prime is 22650701. The next prime is 22650709. The reversal of 22650705 is 50705622.

22650705 is a `hidden beast` number, since 2 + 2 + 650 + 7 + 0 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (22650701) and next prime (22650709).

It is not a de Polignac number, because 22650705 - 2² = 22650701 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22650701) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9306 + ... + 11484.

It is an arithmetic number, because the mean of its divisors is an integer number (784800).

Almost surely, 2^22650705 is an apocalyptic number.

It is an amenable number.

22650705 is an abundant number, since it is smaller than the sum of its proper divisors (27576495).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22650705 is a wasteful number, since it uses less digits than its factorization.

22650705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2211 (or 2205 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 22650705 is about 4759.2756801850. The cubic root of 22650705 is about 282.9397125467.

The spelling of 22650705 in words is "twenty-two million, six hundred fifty thousand, seven hundred five".